Finance ministry has made it easier to claim tax benefit on expenditure with regard to seri ous ailments like thalassaemia, cancer, AIDS and haemophilia by doing away with the requirement of obtaining a certificate from a government hospital. Central Board of Direct Taxes has issued a notification amending Rule 11DD of the Income Tax Act to facilitate this.The amended rule relaxes the condition of obtaining the certificate for claiming expenditure under section 80DDB in respect of specified ailments from a specialist working in a government hospital, the finance ministry said.